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Puzzles (3 cohencoins award for each match):

Puzzle KjwZL: 5890

๐Ÿงถ Cora (1427) +4
FEN
[Event "June Megatournament"] [Site "https://cohenchessclub.com/JOiu6IBu"] [Date "2026.06.14"] [White "Cora"] [Black "Harry2"] [Result "1/2-1/2"] [UTCDate "2026.06.14"] [UTCTime "18:19:21"] [WhiteElo "1427"] [BlackElo "1615"] [WhiteRatingDiff "+4"] [BlackRatingDiff "-5"] [WhiteTitle "๐Ÿงถ"] [BlackTitle "๐Ÿก"] [Variant "Standard"] [TimeControl "600+1"] [ECO "A46"] [Opening "Indian Defense: Knights Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 Nf6 2. Nf3 { A46 Indian Defense: Knights Variation } e6 3. Nc3?! { (0.36 โ†’ -0.17) Inaccuracy. c4 was best. } (3. c4 d5 4. Bg5 Bb4+ 5. Nc3 c5 6. cxd5 Qxd5 7. Bxf6 gxf6 8. e3 cxd4 9. exd4 Nc6) 3... Be7?! { (-0.17 โ†’ 0.57) Inaccuracy. d5 was best. } (3... d5 4. Bf4 Bb4 5. Qd3 c5 6. dxc5 Ne4 7. Nd2 Nxd2 8. Bxd2 Bxc5 9. Qg3 O-O 10. e4) 4. e4 O-O?! { (0.55 โ†’ 1.10) Inaccuracy. d5 was best. } (4... d5) 5. Bd3 Nc6 6. O-O?! { (1.48 โ†’ 0.74) Inaccuracy. e5 was best. } (6. e5 Nd5) 6... b6? { (0.74 โ†’ 2.09) Mistake. d6 was best. } (6... d6) 7. Bc4? { (2.09 โ†’ 0.88) Mistake. e5 was best. } (7. e5 Nd5) 7... Bb7 8. d5?! { (1.25 โ†’ 0.46) Inaccuracy. e5 was best. } (8. e5 Ne8 9. a3 d6 10. Qe2 Na5 11. Ba2 c5 12. d5 exd5 13. Nxd5 Nc7 14. Rd1 Nxd5) 8... exd5 9. exd5 Na5 10. b3?! { (0.43 โ†’ -0.55) Inaccuracy. Bd3 was best. } (10. Bd3 c6) 10... Nxc4 11. bxc4 Bb4 12. Bd2?! { (-0.36 โ†’ -1.39) Inaccuracy. Bb2 was best. } (12. Bb2 c6 13. Qd3 Re8 14. Rad1 Bxc3 15. Qxc3 cxd5 16. Nh4 Nh5 17. g3 dxc4 18. Nf5 Qg5) 12... c6?! { (-1.39 โ†’ -0.82) Inaccuracy. Ba6 was best. } (12... Ba6 13. a3 Bxc3 14. Bxc3 Bxc4 15. Re1 Bxd5 16. Bxf6 Bxf3 17. Bxd8 Bxd1 18. Be7 Bg4 19. Bxf8) 13. dxc6?! { (-0.82 โ†’ -1.61) Inaccuracy. Rb1 was best. } (13. Rb1 Ba5) 13... dxc6 14. Re1 Bxc3?? { (-2.07 โ†’ -0.11) Blunder. Re8 was best. } (14... Re8) 15. Bxc3 Qxd1 16. Raxd1 c5 17. Rd2?! { (-0.30 โ†’ -1.28) Inaccuracy. Nd2 was best. } (17. Nd2 Rfe8) 17... Bxf3?! { (-1.28 โ†’ -0.57) Inaccuracy. Ne4 was best. } (17... Ne4 18. Rd7) 18. gxf3 Nh5 19. Red1 Nf4 20. Be5 Nh3+? { (-1.23 โ†’ 0.27) Mistake. Ne6 was best. } (20... Ne6 21. c3 Nd8 22. Bd6 Re8 23. Bf4 Nc6 24. Rd7 Rad8 25. R7d5 f6 26. a4 Ra8 27. Rd7) 21. Kg2 Ng5 22. Bf4? { (0.14 โ†’ -0.89) Mistake. f4 was best. } (22. f4 Ne6 23. f5 Nd4 24. f6 Rfc8 25. Bxd4 cxd4 26. Rxd4 gxf6 27. Rg4+ Kf8 28. Rd5 Rc6) 22... Ne6 23. Bd6 Rfd8 24. Be7?? { (-0.39 โ†’ -2.47) Blunder. c3 was best. } (24. c3) 24... Rxd2?! { (-2.47 โ†’ -1.37) Inaccuracy. Rd4 was best. } (24... Rd4 25. Rxd4) 25. Rxd2 Nf4+?! { (-1.54 โ†’ -0.57) Inaccuracy. Nd4 was best. } (25... Nd4 26. c3 Nc6 27. Rd7 Ne5 28. Rb7 Nxc4 29. f4 Nd2 30. Bd6 Ne4 31. Bb8 Nxc3 32. Bxa7) 26. Kg3 Ne6 27. f4?! { (-0.39 โ†’ -1.14) Inaccuracy. c3 was best. } (27. c3 Nf8 28. a4 Ng6 29. Bd6 Rd8 30. Rd5 f6 31. f4 Kf7 32. Kf3 Rd7 33. f5 Ne7) 27... Nd4 28. Kg4 f5+ 29. Kg3?! { (-1.25 โ†’ -1.81) Inaccuracy. Kh5 was best. } (29. Kh5 Kf7) 29... Re8 30. Bd6 Ne2+ 31. Kf3 Nd4+ 32. Kg2 Re6? { (-2.76 โ†’ -1.30) Mistake. Nc6 was best. } (32... Nc6 33. Be5 Nxe5 34. Re2 Rd8 35. Rxe5 Rd4 36. Re7 Rxf4 37. Rxa7 Rxc4 38. Rb7 Rxc2 39. Rxb6) 33. Be5? { (-1.30 โ†’ -3.09) Mistake. Bb8 was best. } (33. Bb8 Nc6 34. Rd7 Nxb8 35. Rd8+ Kf7 36. Rxb8 Re4 37. Rb7+ Kf6 38. Rxa7 Rxf4 39. Rb7 Rg4+) 33... Nc6?? { (-3.09 โ†’ -0.89) Blunder. Rg6+ was best. } (33... Rg6+ 34. Kh3 Nf3 35. Rd8+ Kf7 36. Rd7+ Ke8 37. Rd3 Nxe5 38. fxe5 Kf7 39. Rg3 Rh6+ 40. Kg2) 34. Bc3 Rg6+?! { (-0.83 โ†’ -0.18) Inaccuracy. Kf8 was best. } (34... Kf8 35. Rd7) 35. Kf3 Nd4+ 36. Bxd4 cxd4 37. Rxd4 Rf6?! { (0.06 โ†’ 0.81) Inaccuracy. Rc6 was best. } (37... Rc6 38. Ke3 Kf8 39. Rd8+ Ke7 40. Ra8 Rxc4 41. Rxa7+ Kf8 42. a4 Rxc2 43. h4 Rc3+ 44. Kd4) 38. Rd7?! { (0.81 โ†’ 0.00) Inaccuracy. Rd8+ was best. } (38. Rd8+ Kf7 39. Rd7+ Kg6 40. Ke2 Re6+ 41. Kd3 Re4 42. Rxa7 Rxf4 43. Ra6 Kf7 44. Rxb6 Rxf2) 38... Kf8? { (0.00 โ†’ 1.03) Mistake. Rc6 was best. } (38... Rc6 39. Rxa7 Rxc4 40. Ra6 Rxc2 41. Rxb6 Rxa2 42. h4 h5 43. Kg3 Kf7 44. Rb7+ Kg6 45. Rb6+) 39. Rxa7 Rc6 40. Ra4 h6?! { (1.37 โ†’ 2.35) Inaccuracy. Rh6 was best. } (40... Rh6 41. Rb4) 41. h4 Kf7 42. Ke3?! { (2.06 โ†’ 1.49) Inaccuracy. h5 was best. } (42. h5 g6 43. hxg6+ Kg7 44. Rb4 Kxg6 45. Kg3 Kg7 46. a4 Rg6+ 47. Kf3 Rc6 48. c3 Kf7) 42... Re6+ 43. Kd4?! { (1.28 โ†’ 0.30) Inaccuracy. Kd3 was best. } (43. Kd3 Re4 44. Ra7+ Kf8 45. Rb7 Rxf4 46. a4 Rf3+ 47. Kd4 Rxf2 48. Rxb6 Rxc2 49. a5 Ke7) 43... Re4+ 44. Kd5 Rxf4 45. Ra7+ Kf6 46. Ra6 Rxh4?? { (0.89 โ†’ 7.30) Blunder. Ke7 was best. } (46... Ke7 47. Rxb6 Rxf2 48. a4 Rxc2 49. h5 f4 50. Rb3 Rd2+ 51. Kc6 Rd6+ 52. Kb5 Rf6 53. a5) 47. Rxb6+?! { (7.30 โ†’ 4.93) Inaccuracy. c5 was best. } (47. c5 Kf7 48. cxb6 Rb4 49. c3 Rb2 50. Kc6 Rxf2 51. b7 Rb2 52. Rb6 Rxb6+ 53. Kxb6 g5) 47... Kg5?! { (4.93 โ†’ 6.85) Inaccuracy. Ke7 was best. } (47... Ke7 48. a4) 48. c5 Rf4 49. c6 Rxf2 50. c7 Rxc2 51. Rc6 Rd2+ 52. Kc5 Rc2+ 53. Kb6 Rb2+ 54. Kc5 Rc2+ 55. Kd6 Rd2+ 56. Ke7 Re2+ 57. Re6 Rc2 58. Kd7 Rd2+ 59. Rd6 Rc2 60. c8=Q Rxc8 61. Kxc8 f4 62. Rd7 f3 63. Rxg7+ Kh5 64. Rf7 Kg4 65. Rxf3 Kxf3 66. a4 h5 67. a5 h4 68. a6 Kg3 69. a7 h3 70. a8=Q h2?! { (54.71 โ†’ Mate in 30) Checkmate is now unavoidable. Kf4 was best. } (70... Kf4 71. Qh1 Kg3 72. Qg1+ Kf3 73. Qh2 Kg4 74. Qf2 h2 75. Qxh2 Kf3 76. Qh3+ Ke2 77. Qc3) 71. Qb8+?? { (Mate in 30 โ†’ 0.00) Lost forced checkmate sequence. Qh1 was best. } (71. Qh1 Kh3 72. Qf3+ Kh4 73. Qg2 h1=Q 74. Qxh1+ Kg3 75. Kd7 Kf2 76. Qh2+ Ke3 77. Qc2 Kf4) 71... Kh3?? { (0.00 โ†’ Mate in 19) Checkmate is now unavoidable. Kg2 was best. } (71... Kg2 72. Qb7+ Kg1 73. Qb1+ Kg2) 72. Qb3+?? { (Mate in 19 โ†’ 0.00) Lost forced checkmate sequence. Qa8 was best. } (72. Qa8 Kg3 73. Qh1 Kh3 74. Qf3+ Kh4 75. Qg2 h1=Q 76. Qxh1+ Kg3 77. Qg1+ Kf3 78. Kc7 Ke2) 72... Kg2 73. Qc2+ Kg1 74. Qc5+ Kg2 75. Qg5+ Kh3?? { (0.04 โ†’ 35.36) Blunder. Kf1 was best. } (75... Kf1 76. Qc1+ Kg2 77. Qc6+ Kg1 78. Qg6+ Kf1 79. Qe4 Kg1 80. Qd4+ Kg2 81. Qg4+ Kf1 82. Qd1+) 76. Qh5+?? { (35.36 โ†’ 0.04) Blunder. Qd5 was best. } (76. Qd5 Kg4 77. Qg2+ Kf4 78. Qxh2+ Kf3 79. Qe5 Kf2 80. Qe4 Kf1 81. Kc7 Kf2 82. Qe6 Kf3) 76... Kg2 77. Qg4+ Kh1 78. Qf3+ Kg1 79. Qd1+ Kg2 80. Qe2+ Kg1 81. Qg4+ Kh1 82. Qf3+ Kg1 83. Qg3+ Kh1 84. Qf3+ Kg1 85. Qg3+ Kh1 86. Qf3+ { The game is a draw. } 1/2-1/2
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